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At the Institute’s core is the Gilder Lehrman Collection, one of the great archives in American history. More than 85,000 items cover five hundred years of American history, from Columbus’s 1493 letter describing the New World through the end of the twentieth century.

Knox, Henry (1750-1806) [Plan of encampment at Philipsburg, in Westchester County, New York]

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Gilder Lehrman Collection #: GLC02437.10024 Author/Creator: Knox, Henry (1750-1806) Place Written: s.l. Type: Autograph document Date: August 1781 Pagination: 1 p. : docket ; 38.2 x 22.6 cm. Order a Copy

Hand drawn map in Knox's hand, bearing his corrections and additions, of picket lines from Tuckahoe west to the Hudson River at Dobbs Ferry, New York. The Hudson River is referred to as the North River. In 1781, the Dobbs Ferry shoreline was fortified to prevent the British fleet from interdicting American and French supply lines. Docketed by Knox.

Knox, Henry, 1750-1806

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